<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="3.7409703911135708" y="1.6363501838619205" w="19.027313840043576"/>
<Restrict icons=" properties_panel move back undo hide delete color0 color1 color2 color3 color4 color5 ln thickness0 thickness1 thickness2 ln type0 type1 type2 type3 type4 type5 history_panel hidden partial plines showvalue solid obtuse longnames large bold ln showname acolor0 acolor1 acolor2 acolor3 acolor4 acolor5 athickness2 athickness1 athickness0 blank numgrid dottedgrid exportpng segment ray line midpoint circle parallel plumb "/>
<Objects>
<Point name="A" n="1" color="2" hidden="super" showname="true" x="(windoww/(windoww-d(windoww)))*(x(A)-windowcx)+windowcx+d(windowcx)" actx="-1.816512364146682" y="(windoww/(windoww-d(windoww)))*(y(A)-windowcy)+windowcy+d(windowcy)" acty="13.76390789131543" shape="dcross" fixed="true">Point à &quot;(windoww/(windoww-d(windoww)))*(x(A)-windowcx)+windowcx+d(windowcx)&quot;, &quot;(windoww/(windoww-d(windoww)))*(y(A)-windowcy)+windowcy+d(windowcy)&quot;</Point>
<Point name="B" n="3" color="2" hidden="super" showname="true" x="(windoww/(windoww-d(windoww)))*(x(B)-windowcx)+windowcx+d(windowcx)" actx="-4.783642987717835" y="(windoww/(windoww-d(windoww)))*(y(B)-windowcy)+windowcy+d(windowcy)" acty="-6.676325293285825" shape="dcross" fixed="true">Point à &quot;(windoww/(windoww-d(windoww)))*(x(B)-windowcx)+windowcx+d(windowcx)&quot;, &quot;(windoww/(windoww-d(windoww)))*(y(B)-windowcy)+windowcy+d(windowcy)&quot;</Point>
<Point name="C" n="9" color="2" hidden="super" showname="true" x="x(B)+windoww*1.5" actx="23.75732777234753" y="y(B)+windowh/7" acty="-2.9760186914421056" shape="dcross" fixed="true">Point à &quot;x(B)+windoww*1.5&quot;, &quot;y(B)+windowh/7&quot;</Point>
<Circle name="c1" n="16" color="2" hidden="super" bold="true" through="A" midpoint="B" acute="true">Cercle de centre B passant par A</Circle>
<Circle name="c2" n="17" color="2" hidden="super" bold="true" through="B" midpoint="A" acute="true">Cercle de centre A passant par B</Circle>
<Point name="a" alias="A" n="39" color="2" showname="true" x="x(A)" actx="-1.816512364146682" y="y(A)" acty="13.76390789131543" shape="dcross" fixed="true">Point à &quot;x(A)&quot;, &quot;y(A)&quot;</Point>
<Point name="b" alias="B" n="40" color="2" showname="true" x="x(B)" actx="-4.783642987717835" y="y(B)" acty="-6.676325293285825" shape="dcross" fixed="true">Point à &quot;x(B)&quot;, &quot;y(B)&quot;</Point>
<Intersection name="I1" n="18" color="2" hidden="super" bold="true" first="c2" second="c1" shape="circle" which="second">Intersection entre c2 et c1</Intersection>
<Intersection name="I2" n="19" color="2" hidden="super" bold="true" first="c1" second="c2" shape="circle" which="second">Intersection entre c1 et c2</Intersection>
<Circle name="c3" n="27" color="2" hidden="super" bold="true" through="C" midpoint="B" acute="true">Cercle de centre B passant par C</Circle>
<Circle name="c4" n="28" color="2" hidden="super" bold="true" through="B" midpoint="C" acute="true">Cercle de centre C passant par B</Circle>
<Segment name="s2" n="38" color="2" from="B" to="C">Segment de B à C</Segment>
<Segment name="s3" n="316" color="2" from="a" to="b">Segment de a à b</Segment>
<Line name="l1" n="20" color="2" hidden="super" bold="true" from="I1" to="I2">Droite passant par I1 et I2</Line>
<Intersection name="I3" n="29" color="2" hidden="super" bold="true" first="c4" second="c3" shape="circle" which="second">Intersection entre c4 et c3</Intersection>
<Intersection name="I4" n="30" color="2" hidden="super" bold="true" first="c3" second="c4" shape="circle" which="second">Intersection entre c3 et c4</Intersection>
<Line name="l2" n="31" color="2" hidden="super" bold="true" from="I3" to="I4">Droite passant par I3 et I4</Line>
<Intersection name="O" n="32" color="2" showname="true" first="l1" second="l2" shape="dcross">Intersection entre l1 et l2</Intersection>
<Plumb name="perp4" n="97" color="5" type="thin" hidden="super" point="O" line="s2" valid="true">Perpendiculaire passant par O à s2</Plumb>
<Circle name="c10" n="108" color="2" through="b" midpoint="O">Cercle de centre O passant par b</Circle>
<Midpoint name="M3" n="214" color="2" hidden="super" first="O" second="b" shape="circle">Milieu de O et b</Midpoint>
<Midpoint name="M4" n="313" color="2" hidden="super" first="O" second="a" shape="circle">Milieu de O et a</Midpoint>
<Circle name="c12" n="4" color="2" hidden="super" fixed="windoww/120" midpoint="M3" acute="true">Cercle de centre M3 de rayon windoww/120</Circle>
<Circle name="c14" n="4" color="2" hidden="super" fixed="windoww/120" midpoint="M4" acute="true">Cercle de centre M4 de rayon windoww/120</Circle>
</Objects>
</Construction>
</CaR>
